The Wicked Fallen into their Own Wickedness

Psalm 9:15-18

15  The heathen are sunk down in the pit that they made: in the net which they hid is their own foot taken. 
16  The LORD is known by the judgment which he executeth: the wicked is snared in the work of his own hands. Higgaion. Selah. 
17  The wicked shall be turned into hell, and all the nations that forget God. 
18  For the needy shall not alway be forgotten: the expectation of the poor shall not perish for ever.